package org.ch00.test05;

/**
 * @author ZJL
 * @date 2025-03-03
 */
public class MainTest {
    public static void main(String[] args) {
        Musician m = new Musician();

        Piano p = new Piano();
        Guitar guitar = new Guitar();
        m.play(p);
        m.play(guitar);
    }
}
